Smith, Betty
Perrenial, 1998
Buku Teks
Derleth, August
Sauk City Stanton and Lee, 1945
Buku Teks
Coonts, Stephen
Pocket Books, 1986
Buku Teks
Winsor, Kathleen
Purnell and Sons Ltd. , 1950
Buku Teks
Goldman, William, author
A Dell Book, 1960
Buku Teks